/*
 * Copyright (c) 1999 Simon Tatham
 * Copyright (c) 1999 Ben Harris
 * All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/* PuTTY test backends */

#include <stdio.h>
#include <stdlib.h>

#include "putty.h"

static const char *null_init(
    void *, void **, Conf *, char *, int, char **, int, int);
static const char *loop_init(
    void *, void **, Conf *, char *, int, char **, int, int);
static void null_free(void *);
static void loop_free(void *);
static void null_reconfig(void *, Conf *);
static int null_send(void *, char *, int);
static int loop_send(void *, char *, int);
static int null_sendbuffer(void *);
static void null_size(void *, int, int);
static void null_special(void *, Telnet_Special);
static const struct telnet_special *null_get_specials(void *handle);
static int null_connected(void *);
static int null_exitcode(void *);
static int null_sendok(void *);
static int null_ldisc(void *, int);
static void null_provide_ldisc(void *, void *);
static void null_provide_logctx(void *, void *);
static void null_unthrottle(void *, int);
static int null_cfg_info(void *);

Backend null_backend = {null_init,
                        null_free,
                        null_reconfig,
                        null_send,
                        null_sendbuffer,
                        null_size,
                        null_special,
                        null_get_specials,
                        null_connected,
                        null_exitcode,
                        null_sendok,
                        null_ldisc,
                        null_provide_ldisc,
                        null_provide_logctx,
                        null_unthrottle,
                        null_cfg_info,
                        NULL /* test_for_upstream */,
                        "null",
                        -1,
                        0};

Backend loop_backend = {loop_init,
                        loop_free,
                        null_reconfig,
                        loop_send,
                        null_sendbuffer,
                        null_size,
                        null_special,
                        null_get_specials,
                        null_connected,
                        null_exitcode,
                        null_sendok,
                        null_ldisc,
                        null_provide_ldisc,
                        null_provide_logctx,
                        null_unthrottle,
                        null_cfg_info,
                        NULL /* test_for_upstream */,
                        "loop",
                        -1,
                        0};

struct loop_state {
  Terminal *term;
};

static const char *null_init(void *frontend_handle,
                             void **backend_handle,
                             Conf *conf,
                             char *host,
                             int port,
                             char **realhost,
                             int nodelay,
                             int keepalive)
{

  return NULL;
}

static const char *loop_init(void *frontend_handle,
                             void **backend_handle,
                             Conf *conf,
                             char *host,
                             int port,
                             char **realhost,
                             int nodelay,
                             int keepalive)
{
  struct loop_state *st = snew(struct loop_state);

  st->term = frontend_handle;
  *backend_handle = st;
  return NULL;
}

static void null_free(void *handle)
{
}

static void loop_free(void *handle)
{

  sfree(handle);
}

static void null_reconfig(void *handle, Conf *conf)
{
}

static int null_send(void *handle, char *buf, int len)
{

  return 0;
}

static int loop_send(void *handle, char *buf, int len)
{
  struct loop_state *st = handle;

  return from_backend(st->term, 0, buf, len);
}

static int null_sendbuffer(void *handle)
{

  return 0;
}

static void null_size(void *handle, int width, int height)
{
}

static void null_special(void *handle, Telnet_Special code)
{
}

static const struct telnet_special *null_get_specials(void *handle)
{

  return NULL;
}

static int null_connected(void *handle)
{

  return 0;
}

static int null_exitcode(void *handle)
{

  return 0;
}

static int null_sendok(void *handle)
{

  return 1;
}

static void null_unthrottle(void *handle, int backlog)
{
}

static int null_ldisc(void *handle, int option)
{

  return 0;
}

static void null_provide_ldisc(void *handle, void *ldisc)
{
}

static void null_provide_logctx(void *handle, void *logctx)
{
}

static int null_cfg_info(void *handle)
{
  return 0;
}

/*
 * Emacs magic:
 * Local Variables:
 * c-file-style: "simon"
 * End:
 */
